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source/Common.hpp

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+/*
+ * Copyright (c) 2018 shchmue
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "Key.hpp"
+
+#include <ft2build.h>
+#include <switch.h>
+#include FT_FREETYPE_H
+
+#define GREEN   RGBA8_MAXALPHA(0, 0xff, 0)
+#define RED     RGBA8_MAXALPHA(0xff, 0, 0)
+#define CYAN    RGBA8_MAXALPHA(0, 0xff, 0xff)
+#define YELLOW  RGBA8_MAXALPHA(0xff, 0xff, 0)
+
+enum {
+    Status_fail = 0,
+    Status_success_no_titlekeys,
+    Status_success_titlekeys,
+    Status_success_titlekeys_failed
+};
+
+class Key;
+
+namespace Common {
+    // draw letter, called by draw_text
+    void draw_glyph(FT_Bitmap *bitmap, u32 x, u32 y, u32 color);
+    // draw horizontal line
+    void draw_line(u32 x, u32 y, u32 length, u32 color);
+    // draw filled rectangle
+    void draw_set_rect(u32 x, u32 y, u32 width, u32 height, u32 color);
+    // draw string
+    void draw_text(u32 x, u32 y, u32 color, const char *str);
+    // draw string and time elapsed
+    void draw_text_with_time(u32 x, u32 y, u32 color, const char *str, const float time);
+    // overload for microseconds
+    void draw_text_with_time(u32 x, u32 y, u32 color, const char *str, const int64_t time);
+
+    // init font and draw interface
+    void intro();
+    // get tegra keys from payload dump
+    void get_tegra_keys(Key &sbk, Key &tsec, Key &tsec_root);
+    // print exit in color green or red (fail==true)
+    void wait_to_exit(int status);
+
+    void sha256(const u8 *data, u8 *hash, size_t length);
+    // reads "<keyname> = <hexkey>" and returns byte vector
+    std::vector<u8> key_string_to_byte_vector(std::string key_string);
+}